• 제목/요약/키워드: Intelligent information systems

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Mutual Information Analysis with Similarity Measure

  • Wang, Hong-Mei;Lee, Sang-Hyuk
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • 제10권3호
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    • pp.218-223
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    • 2010
  • Discussion and analysis about relative mutual information has been carried out through fuzzy entropy and similarity measure. Fuzzy relative mutual information measure (FRIM) plays an important part as a measure of information shared between two fuzzy pattern vectors. This FRIM is analyzed and explained through similarity measure between two fuzzy sets. Furthermore, comparison between two measures is also carried out.

생성적 적대 신경망을 이용한 행성의 장거리 2차원 깊이 광역 위치 추정 방법 (Planetary Long-Range Deep 2D Global Localization Using Generative Adversarial Network)

  • 아하메드 엠.나기브;투안 아인 뉴엔;나임 울 이슬람;김재웅;이석한
    • 로봇학회논문지
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    • 제13권1호
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    • pp.26-30
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    • 2018
  • Planetary global localization is necessary for long-range rover missions in which communication with command center operator is throttled due to the long distance. There has been number of researches that address this problem by exploiting and matching rover surroundings with global digital elevation maps (DEM). Using conventional methods for matching, however, is challenging due to artifacts in both DEM rendered images, and/or rover 2D images caused by DEM low resolution, rover image illumination variations and small terrain features. In this work, we use train CNN discriminator to match rover 2D image with DEM rendered images using conditional Generative Adversarial Network architecture (cGAN). We then use this discriminator to search an uncertainty bound given by visual odometry (VO) error bound to estimate rover optimal location and orientation. We demonstrate our network capability to learn to translate rover image into DEM simulated image and match them using Devon Island dataset. The experimental results show that our proposed approach achieves ~74% mean average precision.

FUZZY ALGEBRAIC ADAPTIVE SYSTEMS BASED ON LINEAR COMBINERS

  • Teodorescu, H.N.;Anghelescu, M.;Belous, V.
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 1993년도 Fifth International Fuzzy Systems Association World Congress 93
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    • pp.773-776
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    • 1993
  • A design method for linear combiner type filters, based on a fuzzy variant of the usual design method, is introduced and analyzed. Design results are exemplified.

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지능형 디스플레이 색상 조절 (Intelligent Color Control for Display Panel)

  • 조장군;김종원;서재용;조현찬;조태훈
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2006년도 춘계학술대회 학술발표 논문집 제16권 제1호
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    • pp.237-240
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    • 2006
  • Human's sight holds the most extents among other senses. It will become more beneficial in person's emotion or body, if we form much better environment to human in connection with visual information as importance of visual information. Human is using a lot of display units on modern society. Basic colors that compose these are Red, Green and Blue. Using these three colors, we can change color sense of monitor or brightness degree. Suitable color degree by individual's environment can reduce person's stress or give comfortable feeling. So Factors by human's emotion and environment are standardized using fuzzy and the method that is to apply the result of Intelligent Color Control(ICC) on display is proposed.

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Intelligent Digital Controller Using Digital Redesign

  • Joo, Young-Hoon
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • 제3권2호
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    • pp.187-193
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    • 2003
  • In this paper, a systematic design method of the intelligent PAM fuzzy controller for nonlinear systems using the efficient tools-Linear Matrix Inequality and the intelligent digital redesign is proposed. In order to digitally control the nonlinear systems, the TS fuzzy model is used for fuzzy modeling of the given nonlinear system. The convex representation technique also can be utilized for obtaining TS fuzzy models. First, the analog fuzzy-model-based controller is designed such that the closed-loop system is globally asymptotically stable in the sense of Lyapunov stability criterion. The simulation results strongly convince us that the proposed method has great potential in the application to the industry.

Information Granulation-based Fuzzy Inference Systems by Means of Genetic Optimization and Polynomial Fuzzy Inference Method

  • Park Keon-Jun;Lee Young-Il;Oh Sung-Kwun
    • International Journal of Fuzzy Logic and Intelligent Systems
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    • 제5권3호
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    • pp.253-258
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    • 2005
  • In this study, we introduce a new category of fuzzy inference systems based on information granulation to carry out the model identification of complex and nonlinear systems. Informal speaking, information granules are viewed as linked collections of objects (data, in particular) drawn together by the criteria of proximity, similarity, or functionality. To identify the structure of fuzzy rules we use genetic algorithms (GAs). Granulation of information with the aid of Hard C-Means (HCM) clustering algorithm help determine the initial parameters of fuzzy model such as the initial apexes of the membership functions and the initial values of polynomial functions being used in the premise and consequence part of the fuzzy rules. And the initial parameters are tuned effectively with the aid of the genetic algorithms and the least square method (LSM). The proposed model is contrasted with the performance of the conventional fuzzy models in the literature.

ITS 업무요령 및 성능평가 제도 개선방안의 정책 연구 (A Study on Policy Research in Improvement of ITS Performance Tests and Methods)

  • 정성학;윤여환
    • 한국ITS학회 논문지
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    • 제8권6호
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    • pp.98-111
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    • 2009
  • 본 연구의 목적은 ITS 업무요령 및 ITS 성능평가 제도 개선을 위한 법.규정의 개정을 제안한다. 본 연구는 ITS 업무요령 및 ITS 성능평가 제도의 현황과 문제점을 분석하고 개선방안을 제시함으로써 신뢰성 있는 교통정보를 제공하고, 제도 개선을 통하여 민원 발생의 우려를 줄이며, 사회적 비용도 감소시키게 된다. 또한, ITS 장비와 센터의 유지관리 기준과 ITS 성능평가 업무의 직무분석을 통한 업무분담 체계화, ITS 성능평가기관의 역할 정립과 기술위원회의 기능을 정립하여 ITS 성능평가 제도 개선 하에서 생산되는 교통 자료의 신뢰성이 높아지고 새로운 차원의 서비스를 도출할 수 있어서 ITS 시스템의 효율성 증대 및 투자 효과의 극대화를 제공할 것이다.

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Eye-Contact Communication in human vehicle

  • Yamaguchi, Toru;Yoshifuji, Takafumi;Ohashi, Kunihiro;Ayama, Miyoshi
    • 한국지능시스템학회:학술대회논문집
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    • 한국퍼지및지능시스템학회 2003년도 ISIS 2003
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    • pp.122-125
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    • 2003
  • Aged people are increasing, and IT gap is also expanding. In order to solve the problem, we composed the intelligent space and eye contact communication. Intelligent space can pursue by getting a color from the camera

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PC를 이용한 PUMA 로봇의 제어시스템 구성 (A Design of the PUMA Robot Control System Using a PC)

  • 김대원;이원식;경계현;이상무;고명삼;이범희
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 1988년도 전기.전자공학 학술대회 논문집
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    • pp.980-985
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    • 1988
  • In this paper, a control system of the PUMA 560 robot manipulator using a PC (Personal Computer) is presented. The hardware of the designed control system is composed of IBM-PC/AT, interface board, selection board, interrupt generating circuit, and the servo control unit of the PUMA controller. A robot control library is developed using assembly and C language, and is composed of several low-level functions and arm interface routines, world model routines, arm kinematics routines, and motion command service routines. Using the designed library, joint interpolated motion and Cartesian interpolated motion of the PUMA robot manipulator are realized. In the future, our system is expected to be a very helpful basis and a useful tool for developing various control algorithms of robot manipulator using sensory information.

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시군관리 저수지를 고려한 지능형 통합 물관리정보시스템 원형 개발 및 구현 (Development and Implementation of Prototype for Intelligent Integrated Agricultural Water Management Information System and Service including Reservoirs managed by City and County)

  • 김대식;강석만;김진택;김정대;김현호;장진욱
    • 농촌계획
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    • 제23권3호
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    • pp.163-174
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    • 2017
  • This study developed the prototype of the system and implemented its main functions, which is the intelligent integrated agricultural water management information system and service (IaWAMISS). The developed system was designed to be able to collect, process and analyze the agricultural water information of spatially dispersed reservoirs in whole country and spatial geographic information distributed in various systems of other organizations. The system, IaWAMISS, is also possible to provide the reproduced information services in each reservoir and space units, such as agricultural water demand and supply analysis and drought prediction, to the people, experts, and policy makers. This study defined the 6 step modules to develop the system, which are to design the components of intelligent integrated information system, to derive the utilization contents of existing systems, to design the new development elements for IaWAMISS, to design the reservoir information system can be used by managers of city and county, to designate the monitoring reservoirs managed by city and county, and finally to prepare the sharing system between organizations with the existing information systems. In order to implement the prototype of the system, this study shows the results for three important functions of the system: spatial integration of reservoirs' information, data link integration between the existing systems, and intelligent analysis program development to assist decision support for agricultural water management. For the spatial integration with the reservoir water information of the Korea Rural Community Corporation, this study get IaWAMISS to receive the real-time reservoir storage information from the measurement facility installed in the municipal management reservoir. The data link integration connecting databases of the existing systems, was implemented by integrating the meteorological information of the Korea Meteorological Administration with IaWAMISS, so that the rainfall forecast data could be derived and used. For the implementation of the intelligent analysis program, this study also showed the results of analysis and prediction of agricultural water demand and supply amount, estimation of Palmer drought index, analysis of flood risk area in typhoon course region, and analysis of the storage status of reservoirs related to each storm. This study confirmed the possibility and efficiency of an useful system development through the prototype design and implementation of IaWAMISS. By solving the preliminary 6 step modules presented in this study, it is possible not only to efficiently manage water by spatial unit, but also to provide the service of information and to enhance the relevant policy and national understanding to the people.